[FreeNX-kNX] Re: problems w/ freenx 0.7.0 and lastes nomachine sources on RHEL6.0

Les Mikesell lesmikesell at gmail.com
Wed Jul 27 21:53:57 UTC 2011


This was mentioned on the CentOS list:

http://blog.toracat.org/2010/12/selinux-and-freenx/

Plus a test rpm-packaged version that worked for me on CentOS 6:
http://centos.toracat.org/misc/nx-freenx/6/
(I think I did a rebuild of the src rpm but that probably wasn't 
necessary and I'd expect it to work with RHEL too).



On 7/27/2011 4:18 PM, Terje Andersen wrote:
> Maybe selinux isn't turned off or configured to not allow the
> connections. Try to disable it, reboot and test again.
>
> On 2011 7 27 22:01, "hp" <aput99 at yahoo.com <mailto:aput99 at yahoo.com>> wrote:
>  > Hi,
>  >
>  > The tigerVNC server that came with RHEL 6.0 didn't seem to preform
> well on my
>  > PPC64 box; so I decided to look around for a better one. After some
> searchings
>  > the freeNX server came up as good candidate to try. So I downloaded
> the code
>  > and compiled it; everything went well. I gave it a run and
> encountered this
>  > error:
>  >
>  > from the client console: (version 3.5.0-7 running on an Ubuntu
> 10.04.3 i386
>  > box)
>  >
>  > NXPROXY - Version 3.5.0
>  >
>  > Copyright (C) 2001, 2011 NoMachine.
>  > See http://www.nomachine.com/ for more information.
>  >
>  > Info: Proxy running in client mode with pid '23670'.
>  > Session: Starting session at 'Wed Jul 27 09:47:39 2011'.
>  > Error: The remote NX proxy closed the connection.
>  > Error: Failure negotiating the session in stage '7'.
>  > Error: Wrong version or invalid session authentication cookie.
>  > Session: Terminating session at 'Wed Jul 27 09:47:44 2011'.
>  > Session: Session terminated at 'Wed Jul 27 09:47:44 2011'.
>  >
>  > from /var/log/nxserver.log
>  >
>  > -- NX SERVER START: -c /usr/NX/bin/nxserver - ORIG_COMMAND=
>  > -- NX SERVER START: - ORIG_COMMAND=
>  > Info: Using fds #4 and #3 for communication with nxnode.
>  > HELLO NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
>  > NX> 105 hello NXCLIENT - Version 3.2.0
>  > NX> 134 Accepted protocol: 3.2.0
>  > NX> 105 SET SHELL_MODE SHELL
>  > NX> 105 SET AUTH_MODE PASSWORD
>  > NX> 105 login
>  > NX> 101 User: user1
>  > NX> 102 Password:
>  > Info: Auth method: passdb
>  > NX> 103 Welcome to: n13 user: user1
>  > NX> 105 listsession --user="user1" --status="suspended,running"
>  > --geometry="1280x1024x24+render" --type="unix-gnome"
>  > NX> 127 Sessions list of user 'user1' for reconnect:
>  >
>  > Display Type Session ID Options Depth
>  > Screen Status Session Name
>  > ------- ---------------- -------------------------------- -------- -----
>  > -------------- ----------- ------------------------------
>  >
>  >
>  > NX> 148 Server capacity: not reached for user: user1
>  > NX> 105 startsession --link="adsl" --backingstore="1" --encryption="1"
>  > --cache="16M" --images="64M" --shmem="1" --shpix="1" --strict="0"
>  > --composite="1" --media="0" --session="n13" --type="unix-gnome"
>  > --geometry="1280x976" --client="linux" --keyboard="pc105/us"
>  > --screeninfo="1280x976x24+render"
>  >
> &link=adsl&backingstore=1&encryption=1&cache=16M&images=64M&shmem=1&shpix=1&strict=0&composite=1&media=0&session=n13&type=unix-gnome&geometry=1280x976&client=linux&keyboard=pc105/us&screeninfo=1280x976x24+render&clientproto=3.2.0&user=user1&userip=9.53.53.24&uniqueid=F6FE4D16BFDC70C709477C971A036B8F&display=2100&host=127.0.0.1
>  >
>  > NX> 1000 NXNODE - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
>  > server_nxnode_echo: NX> 1000 NXNODE - Version 3.2.0-73 OS (GPL, using
> backend:
>  > 3.5.0)
>  > NX> 700 Session id: n13-2100-F6FE4D16BFDC70C709477C971A036B8F
>  > NX> 705 Session display: 2100
>  > NX> 703 Session type: unix-gnome
>  > NX> 701 Proxy cookie: 5bf1cf7a0f95f12002befe2cccda846e
>  > NX> 702 Proxy IP: 127.0.0.1
>  > NX> 706 Agent cookie: 5bf1cf7a0f95f12002befe2cccda846e
>  > NX> 704 Session cache: unix-gnome
>  > NX> 707 SSL tunneling: 1
>  > server_nxnode_echo: NX> 700 Session id:
>  > n13-2100-F6FE4D16BFDC70C709477C971A036B8F
>  > server_nxnode_echo: NX> 705 Session display: 2100
>  > server_nxnode_echo: NX> 703 Session type: unix-gnome
>  > server_nxnode_echo: NX> 701 Proxy cookie:
> 5bf1cf7a0f95f12002befe2cccda846e
>  > server_nxnode_echo: NX> 702 Proxy IP: 127.0.0.1
>  > server_nxnode_echo: NX> 706 Agent cookie:
> 5bf1cf7a0f95f12002befe2cccda846e
>  > server_nxnode_echo: NX> 704 Session cache: unix-gnome
>  > server_nxnode_echo: NX> 707 SSL tunneling: 1
>  > NX> 1009 Session status: starting
>  > server_nxnode_echo: NX> 1009 Session status: starting
>  > NX> 710 Session status: running
>  > NX> 1002 Commit
>  > NX> 1006 Session status: running
>  > server_nxnode_echo: NX> 710 Session status: running
>  > server_nxnode_echo: NX> 1002 Commit
>  > session_status F6FE4D16BFDC70C709477C971A036B8F Running
>  > NX> 105 server_nxnode_echo: NX> 1006 Session status: running
>  > bye
>  > Bye
>  > NX> 999 Bye
>  > NX> 1004 Error: NX Agent exited with exit status 1. To troubleshoot set
>  > SESSION_LOG_CLEAN=0 in node.conf and investigate
>  >
> "/home/user1/.nx/F-C-n13-2100-F6FE4D16BFDC70C709477C971A036B8F/session".
> You
>  > might also want to try: ssh -X myserver; /usr/NX/bin/nxnode --agent
> to test the
>  > basic functionality. Session log follows:
>  > NX> 1006 Session status: closed
>  > server_nxnode_echo: NX> 596 Session startup failed.
>  >
>  > content of
>  > /home/user1/.nx/F-C-n13-2100-F6FE4D16BFDC70C709477C971A036B8F/session:
>  >
>  > NXAGENT - Version 3.5.0
>  >
>  > Copyright (C) 2001, 2011 NoMachine.
>  > See http://www.nomachine.com/ for more information.
>  >
>  > Info: Agent running with pid '8957'.
>  > Session: Starting session at 'Wed Jul 27 09:48:39 2011'.
>  > Info: Proxy running in server mode with pid '8957'.
>  > Info: Waiting for connection from '127.0.0.1' on port '6100'.
>  > Warning: Refusing connection from '0.0.0.0'.
>  > Error: Connection with remote host '127.0.0.1' could not be established.
>  > Error: Aborting session with 'Unable to open display
>  >
> 'nx/nx,options=/home/user1/.nx/C-n13-2100-F6FE4D16BFDC70C709477C971A036B8F/options:2100''.
>  >
>  > Session: Aborting session at 'Wed Jul 27 09:49:29 2011'.
>  > Session: Session aborted at 'Wed Jul 27 09:49:29 2011'.
>  > XIO: fatal IO error 104 (Connection reset by peer) on X server ":2100.0"
>  > after 0 requests (0 known processed) with 0 events remaining.
>  >
>  > ** (gnome-session:8985): WARNING **: Cannot open display:
>  >
>  > Did a lot of searchings online and tried numerous suggestions including:
>  > -change default display number from 1000 to a different value (2100)
>  > -create /tmp/.X11-unix and set its permission to 1777 (also noticed
> it needs to
>  > be owned by root)
>  >
>  > None seemed to work.
>  >
>  > Any ideas/help? Anything I need to do/send along to get this working
> please let
>  > me know.
>  >
>  > Andy
>  > ________________________________________________________________
>  > Were you helped on this list with your FreeNX problem?
>  > Then please write up the solution in the FreeNX Wiki/FAQ:
>  >
>  > http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ
>  >
>  > Don't forget to check the NX Knowledge Base:
>  > http://www.nomachine.com/kb/
>  >
>  > ________________________________________________________________
>  > FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
> <mailto:FreeNX-kNX at kde.org>
>  > https://mail.kde.org/mailman/listinfo/freenx-knx
>  > ________________________________________________________________
>
>
> ________________________________________________________________
>       Were you helped on this list with your FreeNX problem?
>      Then please write up the solution in the FreeNX Wiki/FAQ:
>
> http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ
>
>           Don't forget to check the NX Knowledge Base:
>                   http://www.nomachine.com/kb/
>
> ________________________________________________________________
>         FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
>        https://mail.kde.org/mailman/listinfo/freenx-knx
> ________________________________________________________________




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